A lack of vitamin B12 (vitamin B12 deficiency) causes the signs and symptoms of pernicious anemia. Without enough vitamin B12, your body can't make enough healthy red blood cells, which causes anemia. Some of the signs and symptoms of pernicious anemia apply to all types of anemia. Other signs and symptoms are specific to a lack of vitamin B12.
Never understood why it's the norm for guys to wear watches on their left hand, and girls are supposed to wear them on the right hand. Date Posted: Apr 2, 2009 #2. Not gay. feminine.
, 17 year old Programmer and Author. I wear it on the left hand, as do most others I know. The reason becomes evident if you look at any watch. The crown for adjusting the time is on the right side, and it's simply much easier to change the time if you wear it on your left hand, rather than right.